CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 380

• Manufacturer Part Number: CN8236EBGB
• Description: ATM SAR 155Mbps 3.3V ABR/CBR/GFR/UBR/VBR 388-Pin BGA
• Manufacturer: Mindspeed Technologies

Specifications of CN8236EBGB

• Package: 388BGA
• Traffic Class: ABR|CBR|GFR|UBR|VBR
• Utopia Type: Level 1|Level 2
• Host Interface: PCI
• Maximum Data Rate: 155 Mbps
• Typical Operating Supply Voltage: 3.3 V
• Minimum Operating Supply Voltage: 3 V

16.0 Electrical and Mechanical Specifications
16.1 Timing
16.1.2 ATM Physical Interface Timing—UTOPIA and Slave UTOPIA
Table 16-2. UTOPIA Interface Timing Parameters
16-4
NOTE(S):
(1)
(2)
Symbol
See
See
t
t
t
t
high
t
cyc
low
t
val
su
h
Figure 16-3
Figure 16-4
RxCLK/TxCLK Cycle Time
RxCLK/TxCLK High Time
RxCLK/TxCLK Low Time
RxDATA Input Setup Time to RxCLK
RxPAR Input Setup Time to RxCLK
RxSOC Input Setup Time to RxCLK
RxCLAV Input Setup Time to RxCLK
TxCLAV Input Setup Time to TxCLK
RxDATA Input Hold Time from RxCLK
RxPAR Input Hold Time from RxCLK
RxSOC Input Hold Time from RxCLK
RxCLAV Input Hold Time from RxCLK
TxCLAV Input Hold Time from TxCLK
TxCLK to TxDATA Valid Delay
TxCLK to TxPAR Valid Delay
TxCLK to TxSOC Valid Delay
TxCLK to TxEN* Valid Delay
RxCLK to RxEN* Valid Delay
for waveforms and definitions.
for waveforms and definitions. The output delays are measured with a 50 pF load.
All ATM physical interface signals are synchronous to interface clocks, RxCLK
and/or TxCLK, except for TxClav and RxClav in the slave UTOPIA mode.
Timing parameters for the UTOPIA interface are provided in
Table 16-3
Timing diagrams for both interfaces are provided in
Parameter
(1)
(1)
(1)
Mindspeed Technologies
(2)
(2)
(2)
(2l
provides the timing parameters for the slave UTOPIA interface.
(2)
(% of tcyc)
(% of tcyc)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
ATM ServiceSAR Plus with xBR Traffic Management
™
Min
20
40
40
4
4
4
4
4
1
1
1
1
1
2
2
2
2
2
Figures 16-3
Max
—
60
60
—
—
—
—
—
—
—
—
—
—
12
12
12
12
12
Table
28236-DSH-001-B
and 16-4.
16-2.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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